Home / 131,437.20-197,098.20-52,525.20

Finding the Fourth Proportional to 131,437.20, 197,098.20 and 52,525.20

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Solution

The fourth proportional to 131,437.20, 197,098.20 and 52,525.20 is: 78,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.20 : 197,098.20 = 52,525.20 : x
  2. Step 2: Convert to fraction form
    131,437.20/197,098.20 = 52,525.20/x
  3. Step 3: Cross multiply
    131,437.20x = 197,098.20 × 52,525.20
  4. Step 4: Simplify right side
    131,437.20x = 10,352,622,374.64
  5. Step 5: Solve for x
    x = 10,352,622,374.64/131,437.20
  6. Step 6: Final answer
    x = 78,764.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.